Seoul Low Was Not 21°C, NOAA Recorded Different Value

The lowest temperature at Incheon Intl Airport Station on September 23, 2026 was not 21°C, according to NOAA's 'Temp' column which recorded a different whole-degree value. The result diverged from the latest forecast spread that had placed overnight lows near 19–21°C and from the typical late-Septe…